90704450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 175822080

約数和(自身を除く): 85117630

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 139, 155, 278, 310, 421, 695, 775, 842, 1390, 1550, 2105, 3475, 4210, 4309, 6950, 8618, 10525, 13051, 21050, 21545, 26102, 43090, 58519, 65255, 107725, 117038, 130510, 215450, 292595, 326275, 585190, 652550, 1462975, 1814089, 2925950, 3628178, 9070445, 18140890, 45352225, 90704450]

約数ペア:

[(1, 90704450), (2, 45352225), (5, 18140890), (10, 9070445), (25, 3628178), (31, 2925950), (50, 1814089), (62, 1462975), (139, 652550), (155, 585190), (278, 326275), (310, 292595), (421, 215450), (695, 130510), (775, 117038), (842, 107725), (1390, 65255), (1550, 58519), (2105, 43090), (3475, 26102), (4210, 21545), (4309, 21050), (6950, 13051), (8618, 10525)]